package com.zt.exam.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.zt.exam.bean.Selection;

public class SelectionServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public SelectionServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request, response);
		
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		
		String name = request.getParameter("name");
		String studentNumber = request.getParameter("studentNumber");
		String telephone = request.getParameter("telephone");
		String major = request.getParameter("major");
		String teacher = request.getParameter("teacher");
		String courseName = request.getParameter("courseName");
		String[] result = request.getParameterValues("result");
		String remark = request.getParameter("remark");
	 	Selection selection = new Selection();
	 	selection.setName(name);
	 	selection.setStudentNumber(studentNumber);
	 	selection.setTelephone(telephone);
	 	selection.setMajor(major);
	 	selection.setTeacher(teacher);
	 	selection.setCourseName(courseName);
	 	selection.setResult(result);
	 	selection.setRemark(remark);
	 	selection.setTime(new Date());
	 	HttpSession session = request.getSession();
	 	List<Selection> list = (List<Selection>) session.getAttribute("list");
	 	if(list == null){
	 		session.setAttribute("list", new ArrayList<Selection>());
	 	}
	 	list = (List<Selection>) session.getAttribute("list");
	 	System.out.println(selection);
	 	list.add(selection);
	 	request.getRequestDispatcher("showSelection.jsp").forward(request, response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
